🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,559,391 km

• M1: 112,498 km (0.039 R)
• M2: 1,012,628 km (0.109 R)
• M3: 1,299,856 km (0.12 R)
• M4: 1,793,529 km (0.098 R)
• M5: 2,854,926 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.5

Radius: 14.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.64 AU - 0.88 AU

Year: 457 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,559,391 km

• M1: 180,415 km (0.118 R)
• M2: 662,270 km (0.054 R)
• M3: 1,401,134 km (0.026 R)
• M4: 2,014,335 km (0.111 R)
• M5: 2,879,460 km (0.065 R)
• M6: 3,515,101 km (0.11 R)
• M7: 4,459,064 km (0.033 R)
• M8: 5,055,062 km (0.104 R)
• M9: 5,686,514 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 8.9

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.68 AU - 4.94 AU

Year: 7282 Days

Day: 8 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,559,391 km

• M1: 111,151 km (0.066 R)
• M2: 535,112 km (0.093 R)
• M3: 833,859 km (0.09 R)
• M4: 2,349,135 km (0.117 R)
• M5: 4,595,198 km (0.101 R)
• M6: 8,032,957 km (0.056 R)
• M7: 8,326,917 km (0.087 R)
• M8: 8,627,908 km (0.09 R)
• M9: 9,206,403 km (0.073 R)
• M10: 9,715,933 km (0.104 R)
• M11: 10,098,155 km (0.102 R)
• M12: 13,409,953 km (0.084 R)
• M13: 15,055,380 km (0.052 R)
• M14: 15,502,977 km (0.111 R)
• M15: 20,094,136 km (0.049 R)
• M16: 20,637,026 km (0.086 R)
• M17: 21,269,376 km (0.108 R)
• M18: 21,590,264 km (0.117 R)
• M19: 26,430,653 km (0.093 R)
• M20: 26,895,004 km (0.06 R)
• M21: 27,270,495 km (0.075 R)
• M22: 29,697,122 km (0.107 R)
• M23: 31,739,133 km (0.044 R)
• M24: 33,438,864 km (0.066 R)
• M25: 34,201,215 km (0.075 R)
• M26: 34,863,933 km (0.11 R)
• M27: 35,760,773 km (0.084 R)
• M28: 37,250,767 km (0.093 R)
• M29: 39,020,809 km (0.078 R)
• M30: 41,592,247 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.1

Radius: 4.3

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.15 AU - 8.01 AU

Year: 14405 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,559,391 km

• M1: 53,406 km (0.067 R)
• M2: 432,637 km (0.069 R)
• M3: 619,485 km (0.098 R)
• M4: 767,287 km (0.083 R)
• M5: 1,244,056 km (0.087 R)
• M6: 1,468,303 km (0.052 R)
• M7: 1,657,694 km (0.103 R)
• M8: 1,830,629 km (0.099 R)
• M9: 3,838,233 km (0.085 R)
• M10: 4,141,916 km (0.107 R)
• M11: 6,424,481 km (0.119 R)
• M12: 8,116,582 km (0.082 R)
• M13: 9,185,160 km (0.051 R)
• M14: 10,502,219 km (0.093 R)
• M15: 11,540,877 km (0.078 R)
• M16: 14,598,209 km (0.086 R)
• M17: 15,749,514 km (0.106 R)
• M18: 17,106,367 km (0.049 R)
• M19: 18,231,193 km (0.117 R)
• M20: 18,772,738 km (0.113 R)
• M21: 20,544,126 km (0.075 R)
• M22: 23,314,978 km (0.066 R)
• M23: 27,416,951 km (0.114 R)
• M24: 28,127,242 km (0.103 R)
• M25: 31,863,449 km (0.052 R)
• M26: 32,422,795 km (0.107 R)
• M27: 40,171,516 km (0.116 R)
• M28: 42,419,374 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.3

Radius: 7.7

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.22 AU - 8.6 AU

Year: 15356 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,559,391 km

• M1: 96,042 km (0.097 R)
• M2: 398,379 km (0.05 R)
• M3: 1,816,268 km (0.092 R)
• M4: 2,371,575 km (0.07 R)
• M5: 2,667,180 km (0.081 R)
• M6: 2,963,534 km (0.094 R)
• M7: 4,823,484 km (0.101 R)
• M8: 5,734,086 km (0.1 R)
• M9: 7,484,232 km (0.117 R)
• M10: 9,049,175 km (0.12 R)
• M11: 10,043,103 km (0.069 R)
• M12: 11,578,277 km (0.085 R)
• M13: 11,878,819 km (0.107 R)
• M14: 12,811,861 km (0.096 R)
• M15: 13,726,053 km (0.078 R)
• M16: 15,756,994 km (0.099 R)
• M17: 16,501,393 km (0.092 R)
• M18: 16,959,312 km (0.047 R)
• M19: 17,503,998 km (0.117 R)
• M20: 20,404,551 km (0.105 R)
• M21: 20,667,095 km (0.082 R)
• M22: 22,569,083 km (0.036 R)
• M23: 23,038,521 km (0.108 R)
• M24: 33,607,012 km (0.119 R)
• M25: 35,340,103 km (0.054 R)
• M26: 35,719,035 km (0.11 R)
• M27: 42,869,364 km (0.062 R)
• M28: 43,589,379 km (0.08 R)
• M29: 45,947,939 km (0.081 R)
• M30: 49,801,281 km (0.09 R)
• M31: 51,725,109 km (0.045 R)
• M32: 54,534,557 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,651 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit